Description
The APC Powerbus Tap Box PBCF4A400ATBB is a high-capacity, modular power distribution solution engineered for mission-critical applications. Rated at 400A and 600VAC, this 3-phase, 4-wire tap box supports a 4A configuration (L1, L2, L3, Neutral), with an integral ground bar rated at 50% capacity. Designed with silver-plated copper busbars for optimal conductivity, the unit offers secure and efficient tap-off capability for Powerbus busway systems. Its robust black-painted aluminum enclosure ensures IP40 protection, ideal for protected indoor installations.
| Specification | Details |
|---|---|
| Part Number | PBCF4A400ATBB |
| Product Type | Tap Box |
| Busway Series | Powerbus |
| Current Rating | 400 Amps |
| Voltage Rating | 600 VAC |
| Phase | 3 Phase |
| Wiring Configuration | 4-Wire (100% Neutral) |
| Busbar Configuration | 4A (L1 + L2 + L3 + N) |
| Busbar Material | Silver-plated Copper |
| Integral Ground | 50% Capacity Integral Ground Bus |
| Enclosure Material | Painted Aluminum (Black) |
| Protection Rating | IP40 |
| Wire Gauge Support | AWG 1–600 kcmil (Power), AWG 10–2/0 (Ground) |
| Package Weight | 51 lb (23.13 kg) |
| Environmental Compliance | RoHS (with exemptions), California Prop 65 |
| Mounting | Powerbus Busway System |
| Availability | Non-stocked; contact distributor for lead time |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
